Blood Pumps
New blood pumps study results from Ventracor Ltd. described
Published in Cardiovascular Business Week, September 9th, 2008
According to recent research published in the Asaio Journal, "All rotary blood pumps (RBPs) are prone to the harmful effects of ventricular collapse or ''suction events'' because of over-pumping, because, they are inherently preload insensitive devices, yet RBP controllers do not comprise a clinically reliable suction detector. We therefore investigated the clinical performance of seven expertly selected time domain indices of suction based on the observed positive spike induced in the RBP impeller speed waveform."
"Using expert panel classifications, a balanced set of 404 five-second speed snapshots of normal and suction events was created from the impeller...
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